#include <stdio.h>
int main(void)
{
    int a1,a2;
    float a3;
    printf("Please input a1,a2 and a3\n");
    scanf("%d%d%f", &a1, &a2, &a3);
    printf("a1 = %d\n",a1);
    printf("a2 = %d\n",a2);
    printf("a3 = %f\n",a3);
    return 0;
}
